Table 5.
Effects of dietary acidifier supplementation on the digestive tract pH of broiler chickens.1
| Item | NC | NC + antibiotic (8 mg/kg) | NC + PA (0.1 g/kg) | NC + PA (0.2 g/kg) | NC + PA (0.3 g/kg) | NC + LA (0.3 g/kg) | SEM | P-value |
|---|---|---|---|---|---|---|---|---|
| Crop | 5.81a | 5.80a | 5.58ab | 5.35b | 5.68a | 5.53ab | 0.05 | <0.05 |
| Gizzard | 3.40a | 3.45a | 3.06b | 3.24b | 3.03b | 3.41a | 0.05 | <0.05 |
| Proventriculus | 5.01 | 5.14 | 4.82 | 4.62 | 4.70 | 4.71 | 0.07 | 0.16 |
| Duodenum | 6.04a | 6.02a | 5.95ab | 5.84b | 5.82b | 5.83b | 0.02 | <0.01 |
| Jejunum | 6.34 | 6.24 | 6.22 | 6.39 | 6.34 | 6.23 | 0.03 | 0.41 |
| Ileum | 7.59 | 7.42 | 7.64 | 7.32 | 7.39 | 7.50 | 0.08 | 0.88 |
| Cecum | 6.63 | 6.60 | 6.48 | 6.62 | 6.62 | 6.42 | 0.07 | 0.94 |
NC = negative control (basal diet); PA = phosphoric acid; LA = lactic acid.
a, b Within a row, values with different superscripts indicate a significant difference (P < 0.05).
1
Each value represents the mean of 6 replicates (n = 6).